JP2022506842A - Wireless communication methods and equipment - Google Patents

Abstract

Examples of the present invention disclose methods and devices for wireless communication. This method releases a non-access layer NAS signaling connection with a network device and receives a placement update command message to instruct the terminal device to initiate a move registration update process, and a move management back. When the off timer is in the process of being operated at the reception time of the arrangement update command message, it includes stopping the operation of the movement management back-off timer.

Description

(Mutual reference of related applications)
This disclosure is based on the Chinese Patent Application No. No. 1 filed in China on November 7, 2018. Claiming the priority of 201811320312.5, the entire contents of the application are incorporated herein by reference.
The present disclosure relates to the field of communication technology, and more specifically to methods and devices of wireless communication.

In the case of overloading in a mobile communication system, the access and mobility management entity (AMF) will reject the NAS (Non-Access Stratum, NAS) request message of the terminal device. When the NAS request message is rejected, the AMF entity carries one mobility management back-off timer (MM back-off Timer) (eg, T3346) in the reject message, along with the AMF. Remembers this movement management backoff timer. Before the mobility management backoff timer times out, the AMF will reject the NAS request message issued by the terminal device. Therefore, before the MM back-off Timer times out, the terminal device initiates the mobile registration update process, so that the terminal cannot recover the service waiting for recovery in a timely manner and advances the subsequent service in a timely manner. Invite that you cannot do it.

An object of the embodiment of the present invention is that the terminal device cannot initiate the mobile registration update process before the mobile management backoff timer times out, so that the terminal device cannot recover the service waiting for recovery in a timely manner. It is to provide a wireless communication method and equipment for solving the problem of inviting the inability to proceed with the service in a timely manner.

According to the first direction, a method of wireless communication used for a terminal device is provided. This method releases a non-access layer NAS signaling connection with a network device and receives a placement update command message to instruct the terminal device to initiate a move registration update process, and a move management back. When the off timer is in the process of being operated at the reception time of the arrangement update command message, it includes stopping the operation of the movement management back-off timer.

According to the second direction, it provides a method of wireless communication used for network equipment. This method releases a non-access layer NAS signaling connection with a network device and sends a placement update command message to instruct the terminal device to initiate a move registration update process, and a move management back. When the off timer is in operation at the transmission time of the arrangement update command message, it includes stopping the operation of the movement management back-off timer.

According to the third direction, it provides terminal equipment. This terminal device releases a non-access layer NAS signaling connection with a network device, and a transmission / reception module for receiving an arrangement update command message for instructing the terminal device to initiate a mobile registration update process. And, when the movement management back-off timer is in operation at the reception time of the arrangement update command message, it includes a processing module for stopping the operation of the movement management back-off timer.

According to the fourth direction, it provides network equipment. This network device releases a non-access layer NAS signaling connection with the network device, and a transmission / reception module for transmitting an arrangement update command message for instructing the terminal device to initiate a mobile registration update process. And, when the movement management back-off timer is in operation at the transmission time of the arrangement update command message, it includes a processing module for stopping the operation of the movement management back-off timer.

According to the fifth direction, it provides terminal equipment. The terminal device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the computer program is executed by the processor, the wireless communication according to the first direction. Realize the steps of the method.

According to the sixth direction, it provides network equipment. This network device includes a memory, a processor, and a computer program stored in the memory and capable of running on the processor, and when the computer program is executed by the processor, the wireless communication according to the second direction. Realize the steps of the method.

According to the seventh direction, it provides computer-readable media. A computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the first direction are realized.

According to the eighth direction, it provides a computer-readable storage medium. A computer program is stored in the computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method described in the second direction are realized.

In the embodiment of the present invention, the terminal device receives a placement update command message for instructing the terminal device to release the NAS signaling connection with the network device and initiate the mobile registration update process, and It is determined whether or not the movement management backoff timer is running at the time when the placement update command message is received, and if the movement management backoff timer is running, the terminal device moves. Stop the operation of the management backoff timer. As a result, the terminal device receives the placement update command message during the operation period of the mobile management backoff timer, but the service waiting for recovery cannot be recovered because the mobile registration update process cannot be triggered, and the subsequent service is advanced. You can avoid the problem of inviting things that you can't do.

The accompanying drawings described herein are used to provide a further understanding of the invention, which constitutes a part of the invention, and exemplary examples of the invention and description thereof are for interpreting the invention. And does not constitute an inappropriate limitation to the present invention.

It is a schematic flowchart of the method of wireless communication by one Embodiment of this invention. It is a schematic flowchart of the method of wireless communication by one specific embodiment of this invention. It is a schematic flowchart of the method of wireless communication by another embodiment of this invention. It is a structural schematic diagram of the terminal apparatus according to one Embodiment of this invention. It is a structural schematic diagram of the network equipment by one Embodiment of this invention. It is a structural schematic diagram of the terminal apparatus according to another embodiment of this invention. It is a structural schematic diagram of the network apparatus by another Example of this invention.

The following clearly and completely describes the technical proposals in the embodiments of the present invention, with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the examples described are examples of some of the invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained on the premise that those skilled in the art do not make any creative effort belong to the scope of protection of the present invention.

The technical proposals of the present invention include various communication systems, such as Long Term Evolution (LTE) / Extended Long Term Evolution-advanced (LTE-A) systems, New Radio (NR). It can be used for systems and the like.

In the embodiment of the present invention, the terminal device (User Equipment, UE) may be referred to as a mobile terminal (Mobile Thermal), a mobile user device, or the like, via a radio access network (for example, Radio Access Network, RAN). It can communicate with one or more core networks. User devices are mobile terminals, such as mobile phones (or "cellular" phones), and computers with mobile terminals, such as mobile, pocket, handheld, computer-embedded, or in-vehicle mobile devices. Often, they exchange voice and / or data with radio access networks.

In the embodiment of the present invention, the network device is a device for providing a wireless communication function to the terminal device, and the network device may be, for example, a core network device in 5G.

It should be explained that, in the embodiment of the present invention, the description of the information contained in the placement update instruction message is merely an example, and is not a limitation. Moreover, in the wireless communication method of the embodiment of the present invention, the placement update command message is a non-access layer NAS between the network device and the network device regardless of what kind of information (or parameter) is included in the placement update command message. It can be applied to all scenes instructing the terminal device to release the signaling connection and initiate the mobile registration update process.

Hereinafter, the technical proposals provided by each embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows a method of wireless communication according to an embodiment of the present disclosure. The method shown in FIG. 1 may be performed by a terminal device. As shown in FIG. 1, the method comprises the following steps.

S110: The non-access layer NAS signaling connection with the network device is released, and the arrangement update command message for instructing the terminal device to initiate the mobile registration update process is received.

Optionally, in S110, the placement update instruction message includes registration request instruction information (Registration Requested Instruction). Alternatively, in the deployment update instruction message, the permitted network slice selection support information (Allowed Network Slice Selection Assistance Information, Allowed NSSAI) and the deployment network slice selection support information (Connected Network Slice Selection Support Information (Configured Network Slice Selection Assistance) In other words, the placement update instruction message includes at least one of Allowed NSSAI and Networked NSSAI and registration request instruction information. Alternatively, the placement update instruction message further includes a network slice instruction information element (Information Element, IE).

In other words, the placement update command message contains registration request instruction information, or the placement update command message contains registration request instruction information and Allowed NSSAI, or the placement update command message contains registration request instruction information. And Configured NSSAI, or the deployment update instruction message contains registration request instruction information, Allowed NSSAI and Configured NSSAI, or the deployment update instruction message contains registration request instruction information and network slice instruction IE.

Further, the placement update instruction message may include other information in addition to the above information. Other information includes, for example, a 5G-Globally Unique Identifier UE Identity (GUTI), a Tracking Area Identifier (TAI) list (list), and a local area data network (LocalA). LADN) Information and the like may be included, but the present invention is not limited thereto.

It is understandable that in S110, the deployment update command message is transmitted by the core network device, for example, transmitted to the terminal device by the access and mobility management entity (AMF) in the core network device. The arrangement update command message may be transmitted to the terminal device via the access network device (for example, a 5G base station).

S120: When the movement management back-off timer is in operation at the reception time of the arrangement update command message, the operation of the movement management back-off timer is stopped.

In S120, the mobility management backoff timer (Mobile Management back-off Timer, MM back-off Timer) is carried in the rejection message when the NAS request message of the terminal device is rejected when the core network device is overloaded. It may be a timer. For example, it may be a T3346 timer. Before the mobile management backoff timer expires, the core network device rejects the NAS request made by the terminal device.

In S120, it is understood that the movement management backoff timer is operating at the reception time of the placement update command message because the movement management backoff timer has not timed out at the reception time of the placement update command message. May be good. The movement management back-off timer may be timed by adopting a count-up or count-down method.

Optionally, in some embodiments, the method shown in FIG. 1 initiates a roaming registration renewal process after stopping the operation of the roaming management backoff timer and releasing the NAS signaling connection. Further included.

Optionally, in some embodiments, the configuration update process associated with the deployment update instruction message is performed before the terminal device releases the NAS signaling connection. Alternatively, it can be understood that the terminal device initiates the mobile registration update process after stopping the operation of the mobile management backoff timer, completing the placement update process, and releasing the NAS signaling connection.

Specifically, when the terminal device receives the placement update command, the movement management backoff timer may be stopped first, and then the placement update process may be executed. When the deployment update process is completed, the NAS signaling connection is released. Alternatively, when the terminal device receives the placement update command, it first completes the placement update process, releases the NAS signaling connection, and then stops the operation of the mobile management backoff timer.

FIG. 2 shows a method of wireless communication according to one specific embodiment of the present invention. As shown in FIG. 2, the method comprises the following steps.

S210: The terminal device UE determines that the MM back-off Timer is in operation.

S220: The AMF transmits a placement update command message to the terminal device.

The placement update command message in S220 is used to instruct the terminal device to release the NAS signaling connection with the network device and to initiate the mobile registration update process.

Optionally, as an example, the placement update command message contains registration request instruction information, or the placement update command message contains registration request instruction information and Allowed NSSAI, or the placement update command message contains. , Registration request instruction information and Configured NSSAI, or the placement update instruction message contains registration request instruction information, Allowed NSSAI and Configured NSSAI, or the arrangement update instruction message contains registration request instruction information and network slice instruction. IE is included.

Further, the placement update instruction message may include other information in addition to the above information. Other information may include, but is not limited to, for example, 5G-GUTI, TAI list, and LADN Information.

S230: The terminal device stops the operation of the MM back-off Timer and executes the arrangement update process.

It is understandable that the terminal equipment includes a radio access network (Radio Access Network, RAN) and a core network (AMF, Session Management Facility, SMF) and a Unified Data Management (UDM) entity. The placement update process is executed and completed by the signaling interaction with.

S240: The terminal device initiates the mobile registration renewal process.

Similarly, the terminal device initiates and completes the mobile registration update process through signaling interactions with RAN, AMF, SMF and UDM entities.

In the above, the method of wireless communication according to the embodiment of the present invention has been described in detail while linking FIGS. 1 and 2. In the following, a method of wireless communication according to another embodiment of the present invention will be described in detail with reference to FIG. It is understandable that the interaction between the network device and the terminal device described from the network device side is the same as that described from the terminal device side in the methods shown in FIGS. 1 and 2. Appropriately omit related descriptions to avoid duplication.

FIG. 3 is a method of wireless communication according to another embodiment of the present invention. The method shown in FIG. 3 may be performed by network equipment. As shown in FIG. 3, the method includes:

S310: The non-access layer NAS signaling connection with the network device is released, and the arrangement update command message for instructing the terminal device to initiate the mobile registration update process is transmitted.

Optionally, in some embodiments, the network device may send a placement update command message to the terminal device if the network congestion meets certain conditions. For example, if the network congestion level is lower than the preset congestion level, a placement update command message may be sent to the terminal device.

Alternatively, the network device may send this placement update command message to the terminal device if it determines that there are resources reserved for the terminal device.

S320: When the movement management back-off timer is in operation at the transmission time of the arrangement update command message, the operation of the movement management back-off timer is stopped.

The network device may first stop the operation of the movement management backoff timer and then send a placement update command message. Alternatively, the network device may stop the operation of the movement management backoff timer at the same time as transmitting the placement update command message. When the operation of the mobile management backoff timer is stopped, the network device can receive the NAS request message generated by the terminal device.

According to the wireless communication method of the embodiment of the present invention, the network device determines whether or not the mobile management backoff timer is in operation at the transmission time of the placement update command message, and the mobile management backoff is turned off. If the timer is in operation, the operation of the movement management backoff timer is stopped. As a result, since the mobile management backoff timer is in operation, rejecting the NAS request message of the terminal device causes the terminal device to be unable to initiate the mobile registration update process, and the terminal device is further recovered. It is possible to avoid the problem that the waiting service cannot be recovered and the subsequent service cannot be advanced.

Optionally, as an embodiment, the placement update instruction message includes registration request instruction information.

Optionally, as an embodiment, the placement update instruction message further includes at least one of the allowed network slice selection support information and the placement network slice selection support information.

Optionally, as an embodiment, the placement update instruction message further includes a network slice instruction information element.

The above describes in detail the method of wireless communication according to the embodiment of the present invention while linking FIGS. 1 to 3. The following describes in detail the terminal device according to the embodiment of the present invention with reference to FIG.

FIG. 4 is a schematic structural diagram of a terminal device according to an embodiment of the present invention. As shown in FIG. 4, the terminal device 40 is
The transmission / reception module 41 for instructing the terminal device to release the non-access layer NAS signaling connection with the network device and initiate the mobile registration update process, and the mobile management backoff timer are the placement update command messages. Includes a processing module 42 for stopping the operation of the movement management backoff timer when the operation is in progress at the reception time.

The terminal device according to the embodiment of the present invention receives and deploys a placement update command message for instructing the terminal device to release the NAS signaling connection with the network device and initiate the mobile registration update process. It is determined whether or not the movement management backoff timer is operating at the time when the update command message is received, and if the movement management backoff timer is operating, the terminal device manages the movement. Stop the operation of the back-off timer. As a result, the terminal device receives the placement update command message during the operation period of the mobile management backoff timer, but the service waiting for recovery cannot be recovered because the mobile registration update process cannot be triggered, and the subsequent service is advanced. You can avoid the problem of inviting things that you can't do.

Optionally, as an embodiment, the processing module 42 further
It is used to initiate the movement registration renewal process after stopping the operation of the movement management backoff timer and releasing the NAS signaling connection.

Optionally, as an embodiment, the placement update instruction message includes registration request instruction information.

Optionally, as an embodiment, the placement update instruction message further includes at least one of the allowed network slice selection support information and the placement network slice selection support information.

Optionally, as an embodiment, the placement update instruction message further includes a network slice instruction information element.

Optionally, as an embodiment, the processing module 42 is further used to perform a deployment update process associated with the deployment update instruction message before releasing the NAS signaling connection.

The terminal device according to the embodiment of the present invention can realize each process realized by the terminal device in the embodiment of the method of FIG. In order to avoid duplication of explanation, the explanation is omitted here.

FIG. 5 is a schematic structural diagram of a network device according to an embodiment of the present invention. As shown in FIG. 5, the network device 50 is
A transmission / reception module 51 for sending a placement update command message to release a non-access layer NAS signaling connection with a network device and instruct the terminal device to initiate a mobile registration update process, and a mobile management back. The processing module 52 for stopping the operation of the movement management back-off timer when the off timer is in operation at the transmission time of the arrangement update command message is included.

The network device according to the embodiment of the present invention determines whether or not the mobile management backoff timer is operating at the transmission time of the placement update command message, and the mobile management backoff timer is operating. If it is inside, the operation of the movement management backoff timer is stopped. As a result, since the mobile management backoff timer is in operation, rejecting the NAS request message of the terminal device causes the terminal device to be unable to initiate the mobile registration update process, and the terminal device is further recovered. It is possible to avoid the problem that the waiting service cannot be recovered and the subsequent service cannot be advanced.

Optionally, as an embodiment, the placement update instruction message includes registration request instruction information.

Optionally, as an embodiment, the deployment update instruction message includes at least one of the allowed network slice selection support information and the deployment network slice selection support information.

Optionally, as an embodiment, the placement update instruction message further includes a network slice instruction information element.

The network equipment provided by the embodiments of the present invention can realize each process realized by the network equipment in the embodiments of the methods of FIGS. 2 and 3. In order to avoid duplication of explanation, the explanation is omitted here.

FIG. 6 is a block diagram of a terminal device according to another embodiment of the present invention. The terminal device 600 shown in FIG. 6 includes at least one processor 601, a memory 602, a user interface 603, and at least one network interface 604. Each component in the terminal device 600 is coupled to each other via the bus system 605. It is understandable that the bus system 605 is used to realize connection communication between these components. In addition to the data bus, the bus system 605 further includes a power supply bus, a control bus, and a status signal bus. However, for clarity, FIG. 6 describes the various buses as the bus system 605.

Among them, the user interface 603 may include a display, keyboard or click device (eg, mouse, trackball, touch pad or touch screen, etc.).

It should be understood that the memory 602 in the embodiment of the present invention may be a volatile memory or a non-volatile memory, or may include both a volatile memory and a non-volatile memory. Among them, the non-volatile memory includes read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), and electrically erasable programmable read-only memory. It may be a memory (Electrically EPROM, EEPROM) or a flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM) used as an external cache. By way of illustration, but not limited to, static random access memory (Static RAM, SDRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate. Synchronous dynamic random access memory (Double Data Rate DRAM, DDR SDRAM), extended synchronous dynamic random access memory (Enhanced DRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SL DRAM), and direct rambus random access memory (Direct Rambus). Many types of RAM such as RAM, DRRAM) can be used. The memory 602 of the systems and methods described in the embodiments of the present invention is intended to include, but are not limited to, these and any other suitable type of memory.

In some embodiments, memory 602 stores executable modules or data structures, or subsets thereof, or elements such as operating systems 6021 and their extended set of application programs 6022.

Among them, the operating system 6021 includes various system programs such as a framework layer, a core library layer, a drive layer, etc., and is used for realizing various basic services and processing hardware-based tasks. The application program 6022 includes various application programs such as a media player and a browser, and is used to realize various application services. The program that realizes the method of the embodiment of the present invention may be included in the application program 6022.

In an embodiment of the invention, the terminal device 600 further includes a computer program stored in memory 602 and capable of running on the processor 601 and when the computer program is executed by the processor 601 each of the methods of FIG. The process can be realized and the same technical effect can be realized. In order to avoid duplication of explanation, the explanation is omitted here.

The method disclosed by the embodiment of the present invention may be used for the processor 601 or may be realized by the processor 601. The processor 601 may be an integrated circuit chip capable of processing signals. In the implementation process, each step of the method may be completed by a hardware integrated logic circuit in processor 601 or a command in the form of software. The processor 601 is a general-purpose processor, a digital signal processor (DSP), a dedicated integrated circuit (Application Specific Integrated Circuit, ASIC), a field programmable gate array (Field Programmable Gate Array, FPGA), or an FPGA. It may be a discrete gate or a transistor logic device, a discrete hardware component. Each method, step, and logic block diagram disclosed in the embodiments of the present invention can be realized or implemented. The general-purpose processor may be a microprocessor, or the processor may be any ordinary processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present invention are directly embodied to be performed and completed by a hardware decoding processor, or performed with a combination of hardware and software modules in the decoding processor. Can be completed. The software module may be located on a computer readable storage medium mature in the art such as random memory, flash memory, read-only memory, programmable read-only memory, or electrically erasable programmable read-only memory, registers. The computer-readable storage medium is located in memory 602, where processor 601 reads information in memory 602 and ties its hardware together to complete the steps of the above method. Specifically, the computer-readable storage medium stores a computer program, and when the computer program is executed by the processor 601, each step of the embodiment of the method shown in FIG. 1 is realized.

It is understandable that these embodiments described in the embodiments of the present invention may be realized by hardware, software, firmware, middleware, microcode, or a combination thereof. For the realization of hardware, the processing unit is one or more dedicated integrated circuits (Application Special Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD). , Programmable Logic Devices, PLDs, Field Programmable Gate Arrays (FPGAs), General Purpose Processors, Controllers, Microcontrollers, Microprocessors, Others for Performing Functions Described in the Invention. It may be realized in an electronic unit or a combination thereof.

For the realization of software, the technique described in the embodiment of the present invention may be realized by a module (for example, a process, a function, etc.) that executes the function described in the embodiment of the present invention. The software code may be stored in memory and executed via a processor. The memory may be executed inside the processor or outside the processor.

FIG. 7 is a schematic structural diagram of a network device according to another embodiment of the present invention. As shown in FIG. 7, the network device 700 includes a processor 701, a transceiver 702, a memory 703, and a bus interface. Of which
In an embodiment of the invention, the network device 700 further includes a computer program stored in memory 703 and capable of running on the processor 701, which is shown in FIG. 3 when the computer program is executed by the processor 701. Each process can be realized and the same technical effect can be realized. In order to avoid duplication of explanation, the explanation is omitted here.

In FIG. 7, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 701 and various types of memory represented by memory 703. It may be linked by the circuit of. The bus architecture may link various other circuits such as peripherals, voltage regulators and power management circuits. They are all familiar to us in the art and will not be discussed further here. The bus interface provides the interface. The transmitter / receiver 702 may be a plurality of elements, that is, may include a transmitter and a receiver, and may provide a unit for communicating with various other devices on a transmission medium.

The processor 701 is responsible for managing the bus architecture and general processing, and the memory 703 may store data used when performing operations on the processor 701.

The embodiments of the present invention further provide a computer-readable storage medium. A computer program is stored in a computer-readable storage medium, and when the computer program is executed by a processor, each process of the embodiment of the method shown in FIGS. Can be realized. In order to avoid duplication of description, the description is omitted here. Among them, the computer-readable storage medium described above is, for example, a read-only memory (Read-Only Memory, ROM), a random access memory (Random Access Memory, RAM), a magnetic disk, an optical disk, or the like.

It should be explained that, herein, the term "contains", "contains" or any other variation intentionally covers the non-exclusive "contains", thereby a series. A process, method, article or device that contains an element not only contains those elements, but also includes other elements that are not explicitly listed, or elements that are specific to such a process, method, article or device. include. For an element limited by the sentence "contains one ..." without further restrictions, there are other same elements in the process, method, article or device containing this element. Is not excluded.

As will be apparent to those skilled in the art from the description of the above embodiments, the methods of the above embodiments may be implemented in the form of software and the required general purpose hardware platform. Of course, it can also be realized by hardware, but in many cases, the former is a preferred embodiment. Based on this understanding, the technical proposal of the present invention may be expressed in substance or in the form of a software product in part that contributes to the related technology. This computer software product is stored in one storage medium (eg ROM / RAM, magnetic disk, optical disk) and in one terminal (which may be a mobile phone, computer, server, air conditioner, network device, etc.). Includes some instructions for performing the methods described in each embodiment of the invention.

In the above, the embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are exemplary. It is nothing more than a limitation. One of ordinary skill in the art can make many formal changes based on the suggestions of the present invention, as long as the gist of the present invention and the claims do not deviate from the scope of protection, all of which are within the scope of protection of the present invention. It is included.

Claims (23)

It is a wireless communication method used for terminal devices.
Releasing the non-access layer NAS signaling connection with the network device and receiving the placement update command message to instruct the terminal device to initiate the move registration update process, and the move management backoff timer described above. A method of wireless communication including stopping the operation of the movement management backoff timer when the operation is in progress at the reception time of the arrangement update command message. The method according to claim 1, further comprising stopping the operation of the movement management backoff timer and initiating a movement registration renewal process after releasing the NAS signaling connection. The method according to claim 1 or 2, wherein the placement update instruction message includes registration request instruction information. The method according to claim 3, wherein the placement update instruction message further includes at least one of the permitted network slice selection support information and the placement network slice selection support information. The method of claim 3, wherein the placement update instruction message further includes a network slice instruction information element. The method of claim 1 or 2, further comprising performing a deployment update process associated with the deployment update instruction message prior to releasing the NAS signaling connection. A wireless communication method used for network equipment.
The non-access layer NAS signaling connection with the network device is released, and the placement update command message for instructing the terminal device to initiate the mobile registration update process is transmitted, and the mobile management backoff timer is described above. A method of wireless communication including stopping the operation of the movement management backoff timer when the operation is in progress at the transmission time of the arrangement update command message. The method according to claim 7, wherein the placement update instruction message includes registration request instruction information. The method according to claim 8, wherein the placement update instruction message further includes at least one of the permitted network slice selection support information and the placement network slice selection support information. The method of claim 8, wherein the placement update instruction message further includes a network slice instruction information element. A send / receive module for receiving a placement update command message to release a non-access layer NAS signaling connection with a network device and instruct the terminal device to initiate a mobile registration update process, and a mobile management backoff. A terminal device including a processing module for stopping the operation of the movement management backoff timer when the timer is in operation at the time of receiving the arrangement update command message. The processing module further
The terminal device according to claim 11, which is used to initiate a mobile registration renewal process after stopping the operation of the mobile management backoff timer and releasing the NAS signaling connection. The terminal device according to claim 11 or 12, wherein the arrangement update command message includes registration request instruction information. The terminal device according to claim 13, wherein the placement update instruction message further includes at least one of the permitted network slice selection support information and the placement network slice selection support information. The terminal device according to claim 13, wherein the arrangement update instruction message further includes a network slice instruction information element. The processing module further
The terminal device according to any one of claims 11 to 15, which is used to execute a deployment update process related to the deployment update instruction message before releasing the NAS signaling connection. A send / receive module for sending a deployment update command message to release a non-access layer NAS signaling connection with a network device and instruct the terminal device to initiate a mobile registration update process, and a mobile management backoff. A network device including a processing module for stopping the operation of the movement management backoff timer when the timer is in operation at the transmission time of the arrangement update command message. The network device according to claim 17, wherein the arrangement update instruction message includes registration request instruction information. The network device according to claim 17, wherein the placement update instruction message further includes at least one of the permitted network slice selection support information and the placement network slice selection support information. The network device according to claim 17, wherein the placement update instruction message further includes a network slice instruction information element. The wireless communication according to any one of claims 1 to 6, which includes a memory, a processor, and a computer program stored in the memory and running on the processor, when the computer program is executed by the processor. Terminal equipment that realizes the steps of the method. The steps of the method of wireless communication according to claim 7-10, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, wherein the computer program is executed by the processor. Network equipment to realize. A computer-readable medium that stores a computer program and, when executed by the processor, implements the steps of the method of wireless communication according to any one of claims 1-10.

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